def guess_win(func):
    def rooftop_status(iswin):
        func()
        if iswin:
            print('会所嫩模')            
        else:
            print('下海干活')
        return iswin
    return rooftop_status

@guess_win
def china_win():
    print('中国队必胜')

win = True
china_win(win)